Update rbac-migration.md

Author: jlichwa

articles/key-vault/general/rbac-migration.md

@@ -78,7 +78,7 @@ Access policy predefined permission templates:
 | Azure Information BYOK | Keys: get, decrypt, sign | N/A<br>Custom role required|
 
 > [!NOTE]
-> Azure App Service certificate configuration through Azure Portal does not support Key Vault RBAC permission model. It is supported using client libraries like Azure PowerShell, Azure CLI, ARM template deployments with Key Vault Secrets User and Key Vault Reader role assignemnts.
+> Azure App Service certificate configuration through Azure Portal does not support Key Vault RBAC permission model. You can use Azure PowerShell, Azure CLI, ARM template deployments with **Key Vault Secrets User** and **Key Vault Reader** role assignemnts for 'Microsoft Azure App Service' 1P indentity.
 
 ## Assignment scopes mapping